Mechanism foe looms



(No Model.)

6 SheetsSheet 1v SAR GENT.

J. T MEATS 86 E. L.

SHUTTLE BOX OPERATING MECHANISM FOR LOOMS.

Patented Jan. 4, 1898,

hevc ans, k hafflaz s. lzwm-aj m: mums mm cm mam-ran. wmuurcn, ma

(No Model.) 6 SheetsSheet 2.

J. T MEATS 82; E. L. SARGENT. SHUTTLE BOX OPERATING MECHANISM FOR LOOMS.

No. 596,898. Patnted Jan. 4, 1898.

(No Model.) 6 SheetsSheet 3.

J. T MEATS & E. L. SARGENT. SHUTTLE BOX OPERATING MECHANISM FOR LOOMS.

No. 596,898. I Pate'ntegJan 4 1'898,

(N0 Madl.) 6 sheets-sheet 4 J. T MEATS 815B. LSABGENT. sHUTTLE BOXOPERATING MECHANISM FOR LOOMS.

No. 596,898.- Patented Jan. 4, 1898. 3 V 1 111.

(Nu Model.)

v 6 Sheets-Sneet 5 J. T MEATS 86 E. L .'SARGENT. SHUTTLEB OX OPERATINGMECHANISM FOR LOOMS. No. 596,898.

Patented Jan. 4, 1898,

Pmks can PHOTO-LUNG" wnsmmmm o. c

(No Model.) a Sheets-Sheet 6.

J. T MEATS 8: E. L. SARGENT. SHUTTLE BOX OPERATING MECHANISM FOR LOOMS.

No. 596,898. Patented Jan. 4, 1898.

UNITED STATES PATENT @rrrcn.

JOHN T. MEATS AND EDWARD L. SARGENT, OF TAUNTON, MASSACHUSETTS,ASSIGNORS TO THE MASON 'MAGHINE YVORKS, OF SAME PLACE.

SHUTTLE-BOX-OPERATING MECHANISM FOR LOUiViS.

SPECIFICATION forming part of Letters Patent N0. 596,898, dated January4, 1898.

Application filed September 16,1895- Serial N 562,637. (No model.)

To aZZ whomit may concern: wheel or withdrawn from the said series actsBe it known that we, JOHN T. MEATS and to cause rotation or non-rotationof the wheel. EDWARD L. SARGENT, of Taunton, county of Our inventionfurther com prehendsa hold- Bristol, State of Massachusetts, haveinvented ing device for the shuttles not in use to prean Improvement inShuttle-Box-Operating vent the same being accidentallyjarred from 5 5Mechanism for Looms, of which the followposition in the proper operationof the loom. ing description, in connection with the ac- Figure 1,inleft-hand end elevation, shows companying drawings, is a specification,like a sufficient portion of a loom to enable this letters on thejdrawings representing like invention to be understood. Fig. 2 is a topto parts. or plan view, slightly broken away, of the mul- 60 Thisinventionin looms relates particularly tiplying and chain mechanisms ofthe loom, to what are commonly known as multiply- Fig. 1; Fig. 3, avertical longitudinal section ing and box motions and to a holding deofthe parts shown in Fig. 2, the section beviceforthe shuttles at rest inthe shuttle-box. ing taken on the dotted line x no; Fig. 4, a

In multiplying motions or mechanisms as sectional detail on the dottedline a: as", Fig. 65 heretofore constructed two feeding pawls or 2; Fig.5, a cross-section on the dotted line devices are provided, one tooperate during 50 Fig. 2; Fig. 5, a similar section showthe normaloperation of the loom to feedthe ingthe parts in the position during thedwell chain, the other being automatically thrown of the chain caused bythe multiplying mechinto operation when the first feeding-pawl is anism;Fig. 6, a cross-section on the dotted 7c stopped and operating duringthe operation line :0 m Fig. 2; Fig. 7, a cross-section on of themultiplying mechanism. As hitherto the dotted line :0 of, Fig. 2; Fig.7, a rightconstructed these two feeding pawls or dehand side elevationof the wheel 0, Fig. 4, vices, one for the chain and the other forthewhich cooperates with the wheel (1 Fig. '7,

2 5 multiplying mechanism, have been actuated during the operation ofthe multiplying mech- 75 through independent connections or devicesanism, the view looking at said wheel 0 from from the same or, asusually the case, from its side adjacent the wheel b Fig. 7*, a facedifferent shafts or actuators, and it has been view of the wheel b andits notched boss b A found in practice that not infrequentlyapart Fig.7, a top or plan view of the wheel b of one of the systems ofconnections will fail Fig. 7; Fig. 7, a top view of the wheel c, 80 tooperate properly, resulting in the simulta- Fig. 7 the rim broken awayto show the neous withholding from operation of both cam-point withinthe rim 5 Fig. 8,a cross-secpawls or feeding devices, causing one ormore tion on the doti ed line 00 Fig. 2; Fig. 9,

- mispicks in the loom. To obviate this posa cross-section on the dottedline so or, Fig.

5 sible error in the operation of the mechan- 2; Fig. 10, across-section on the dotted line 85 isms, our present inventioncomprehends a 0: m Fig. 2; Fig. 11, an enlarged sectional multiplyingmechanism wherein the chaindetail showing the parts composing theboxfeeding and multiplying feeding pawls or demotion, looking from thefront of the loom, vices are so arranged and constructed that it thesection being taken on the line 3 y, Fig.

is praeticallyimpossible for both to be in or 1; Fig. 11, a verticallongitudinal section of go out of operation simultaneously, the withadetail of Fig. 11; Fig. 12, a sectional detail drawal of one compellingthe operation of on the dotted line y 1 Fig. 11, looking to the other,thus guarding against mispicks the right; Fig. 12, a detail looking atthe from the cause referred to. face of the toothed wheel m showing the5 Our invention also comprehends a novel slide-block m. Fig. 13 is aface view of the 5 box-motion wherein the movements of the shuttle-boxand its frame, showing the shutshuttle-oox are controlled by a gearhaving tie-holding device, the said view also showa movable, preferablysliding, tooth, which ing our improved manner of mounting the when movedinto position constituting a part shuttle-box; and Fig. let, a top orplan view of the series of teeth at the periphery of the of the same;Figs. 15 and 15", a modification 10o to=be described Figs. 17,- andlsdetails I of ainodification to'bedesoribedn the" nsnal'chain .-;,harrelb3; about which is i passed the usual chain th -shown as madein usualmanner from a series of bars cenneeted by suitable linkasuch :chainbeingcommonly lfiedfiflllflObby and harnessmotions;

- Fast on'thebarrelssh-aft 5 outside the enter .armlcr", is aratchetwheel cooperating with 4 which is aa gravitypawl' 11 loosely pivotediipon the: shaft b'referred to, the teeth of the j 13 I ratchet beingso'shap'ed (see'Fig. 7) asto pen r Intheenroodimentotourinventionselected' as an'illustration of th V the: drawings theEra-m e A; Fig. '1 is and'may. 7 beef snita bleshapexand constructiontestis tainthevarions worhiing parts; the nsiial'ca1n'-- shaft beingshownat a, mounted in usual hearings upon the train e and progvidecl'with' then su-al crankdisk Lz,-,providedwith acranh;- pin a to whichis jointed the lower end of 'the' I connecting-rod a? for.imparting'metion toi-hei chainand multiplying mechanism to "be de-scribed- 7.. i

Secured to thensnalarch A 'Ofthefrarne c, isle-bracket a g provided asshown withsuit a'ble bcaringsafor thershaft b of the multiply-g, sing;and chairrinoticnathe said shaftihaving' fast upon: it an aunt; towhichthe n pperen'd of the connecting roclfa isnjeinted T whereby-- Irotationof ,the'cameshaft a acts through its 1: acranl: described toimparta *roekingmotiGn: :tothe said shaft "9 p Jonrnaled inlsnitablcarinsa of the bracket atisthe barrelshaftbi, which (see FigsQ-and 3) hasfast upon. itb'etween thesaid arnisycri mit free rotation of the Wheelandbarrel-shaft in the direction of the arrow, Fig. 7, and to preventrotation of the barrel-shaft in an opposite or retrograde direction.Upon the outer face of this ratchet-wheel b is formed a boss U, which isshown as provided at diametrically opposite points with cam notches orrecesses 19 (see Figs. 7 and 7,) one face of which is shown as squarewith the face of the Wheel and the other as inclined, the straight facebeing at that side of the notch which is in the direction of the normalrotation of the barrelviz., the direction of the arrow, Fig. 7.

Loosely mounted upon the barrel-shaft, outside of and close to theratchet-wheel If, is the chain-wheel 0, provided at its periphery in thepresent instance with two series of ratchetteeth, one series (see Figs.2 and 4) facing in the same direction as the ratchet-teeth of the wheel19 and the other series 0 (see Figs. 2 and 5) facing in the oppositedirection, the said wheel being provided with the usual hand-wheel c.This chain-wheel may be formed in one piece, as shown in Fig. 3, or eachof the two series of ratchet-teeth may be formed on individual wheels,together constituting the chain-feed wheel, as hereinafter more fullydescribed. The teeth 0 constitute the chain-feed ratchet orratchet-wheel for moving the pattern-surface, and the teeth l @same andshown in:

c constitntewthe; mnltiplier ratchet or fe dr .lUPon: the faceofthechainratchetwheel c adjacent the ratchet-wheel b is shown a cywhichis the laterallysextendedcampoint or I lug ciofashspe correspondingteandadapt ed tc fitthe -ishapedwnotches biin the boss,:ofatheratehetewheelfhi. the"chain rratchctw wheel cbeing normally held;in its position; 1 l attheriilght withitscani pointerloglocked linengagenientwith the. squarefaceofthe Vshaped notch onitheratchet-wheel b5; by a "and interposed-:between thechain ratchet Iwheelcahd a suitable disk-stop c ,"-fast;o n; theouterendoft'he-barrel-shaft. (See Figs. 1 7

suitable s rings .enclrclin the barrelshaft p b 7 it: 7

nient l with the teeth c of: ithe! chain feed step-hy step rotativemovem ent tothe ehai n? 'theiharreloanid fits: chairs I 0 upon the chainratchet-wheel c, the said pawl D being carried loosely over the teeth 0during the normal operation of the wheel 0 and barrel-shaft by thefeed-pawl 79 it at such times performing no function whatsoever.

Projecting laterally from the multiplierpawl Z7 described is a finger 19(see Fig. 2, which cooperates with and during the movements of the armI) and shaft 1) and rides over or under an arm Z9 projecting laterallyfrom a multiplying-lever Z2 loosely pivoted upon the shaft 17 (see Figs.5 and 5) and acted upon at desired times by suitable pins or projectingpattern surfaces 6 on the chain 1).

A spring-D connecting the arm Z2 with the bracket a acts to hold themultiplying-lever b always in contact with the chain or pin thereon.

Fast on the inner or right-hand end of the barrel-shaft, Figs. 2, 3, and9, is the holdingwheel cl, cooperating with which is the roller d uponthe lever d loosely pivoted upon a stud d on an arm of the bracket a aspring d,'Fig. 9, acting to hold the said roller d always in engagementwith the wheel (Z to retain the barrel-shaft in the position into whichit is moved by successive operations of the chain-wheel the said rolleralso serving 1 Iteferringnewtol Figs. land2yfast nponfl thelshaft'banemttanswers dotted 'linesgFigr gi tothefreeend'of which isjcintr V edthechain-feedpawl b thecurved or hooked endofwhichisynorniallyinengage-l1 c wheelc,irockingimovement ofathe shaft 172' fronrther'cam-shaft ofthelooni' describedcausing 'th c said 'chain feed pawlibitto impartwheelc in the direction of the: arrow,Fig:4; a land also. normalrotation hy'and withthe saidn teeth of theratchetewheellii,the'barrelrshaft,

iJointed totheeuter end ofxthe 'arnrb hera 1 iiii/at itsiside oppositethepawl If is asecond niultiplierepawlhi ,(seerliigs; and 5%).codpa 1 r"erati'ng with the second series of ratchet teeth r r as a centeringdevice to insure accurate positioning of the barrel and chain.

Referring to Figs. 2, 3, and 8, the chainwheel 0 has formed upon itbetween the two series of teeth 0 c a third series of centering orholding teeth (1 similar in shape to the teeth of the wheel (1, withwhich cooperates a holding device or pawl (Z pivoted loosely upon themain shaft 1) and acted upon by a spring d which holds it always inengagement with the teeth of its wheel.

Referring to Figs. 2 and 10, we have loosely mounted upon the shaft Z)at its inner end a box-motion lever e, extending over the barrel, asshown in 10, and adapted to be acted upon and raised at desired times bysuitable pins or projections e upon the chain, the said lever 6 beingconnected, as will be described with and to control the box-motion ofthe loom.

The multiplying mechanism is generally used in a loom wherein two ormore shades of weft are employed or two or more grades or numbers ofweft of the same color.

During the operation of the loom when the different shades or numbers ofweft are laid in the fabric at frequent intervals the movements of theshuttle-box controlling the shuttles are controlled. by the box-motionlever e described, which is raised and dropped at the proper times bythe pins 6 on the chain 7). When, however, it is desired to weave in thesame shade or number of weft for a considerable period of time, as inweaving the body of ahandkerchief, table-cloth, or the like, thebox-motion lever e would require to remain inoperative in its lowermostposition during the entire time, during which, if the chainmotioucontinued, the chain would move under the lever without performing anywork, thereby rendering it necessary to add to the length of the chain asufficient number of links or bars to provide for this period ofinaction of the box-motion, and in many cases the chain would be ofuncontrollable length.

The object of the multiplying mechanism is at such time to stop rotationof the barrel and movement of the chain during the e11- tire period ofinaction of the box-motion and to take it up again at the proper time,thus making it possible to materially shorten the chain. FVith this inmind the operation of the mechanism described is as follows, viz:

In the normal operation of the loom when different shades or numbers ofweft are laid at frequent intervals the rotation of the camshaft Ct,acting through the connecting-rod a rocks the shaft Z7 at each beat ofthe lay and through its arm b and chain-feed pawl b imparts to thebarrel a step-by-step motion to cause the chain 1) to be slowly fedbeneath the levers e and b the pins e thereon at the proper timesraising and dropping the box-motion lever e to change the shuttle-box asmay be necessary to lay the desired wefts. During this time the lever 1)remains in its lowest position, supported by a stop projection b Fig. 5,resting upon one of the bearing-arms a of the bracket of. When thelever 1) is in this position, the laterally-er;- tended finger Z2 of themultiplying-pawl Z2 during the reciprocations of the latter coincidentwith the reciprocations of the chainfeed pawl rides upon thelaterally-extended arm Z1 of the said lever h, which holds the saidmultiplying-pawl in its position, Fig. 5, out of engagement with theseries of teeth 0 When it is desired to stop movement of the chain 19for, say, ten or more picks, a pin 12", Fig. 6, is inserted in one ofthe bars of the chain at the proper point, which when it reaches thelever Z2 raises the same, so that upon the next subsequent returnmovement of the two pawls b and I) referred to the rear edge of fingerZ7 of the pawl b will pass beneath the laterallyextended arm 12 of thesaid leverb, as in Fig. 5, instead of riding over the same, which willpermit the said multiplying-pawl Z) to engage one of the teeth 0 andupon the next forward movement of the pawl rotate the chain-wheel a onestep or tooth in a direction opposite the normal rotation by thefeedpawl Z7 which opposite rotation, the barrel and ratchet-wheel bbeing held stationary by the pawl Z1, causes the cam point or lug 0' onthe chain-wheel to ride up the inclined face of the engaging notch 12 inthe boss of the said wheel 6 thereby disengaging the chain wheel fromthe ratchet wheel 12 This movement of the chain-wheel upon thebarrel-shaft, caused by the cam-lug rising from its notch, moves theseries of teeth 0 of the chain-wheel laterally to the left, Fig. 2, outfrom under and from engagement with the feed-pawl Z2 which thereafterrides during its reciprocations upon the cylindrical flange o on thesaid chain-wheel described. The chain-wheel c is now under the controlof the multiplyingpawl b, which at each rocking movement of the shaft 12rotates the chain-wheel one step or tooth in a retrograde direction,this retrograde 'movement continuing until the cam point or lug 0reaches the same or another notch 19 in the boss Z1 whereupon the spring0 will restore the chain-wheel again to its position at the right, thesaid cam-lug mov ing into the said notch to thereby again lock thechain-wheel to the ratchet-wheel b and by the return movement carryingthe teeth 0 beneath and to be engaged by the feed-pawl b which at thefirst backward or feeding movement engages one of the teeth 0' androtates the chain-wheel and the barrel one step in the normal direction,carrying the pin D from under the lever 12 and dropping the latter andits arm I) to cause the multiplyingpawl b to be raised by said arm fromengagementwith the teeth 0 whereupon the operation continues as before.

By varying the number and location of the multiplying-pins Z9 thefrequency of operation of the multiplying mechanism may be varied, andby varying the number and location of the notches b the number of pickstaking place While the chain is held stationary may also be varied.

In the device shown there are eight teeth 0 cooperatin g with themultiplying-pawl, and there are two notches arranged at diametricallyopposite points. Therefore a movement equivalent to four teeth takesplace between the two notches, and as there are two picks, an outwardand a return, for each rocking movement of the shaft 12 it will beunderstood that eight picks will take place during the period of rest ofthe chain.

Should there be only one notch Z2 in the wheel shown, sixteen picks willtake place during the period of rest of the chain, laying during thattime weft-thread of the same color or number.

It is evident that the number of picks taking place during the period ofrest of the chain may be also varied by varying the teeth 0 Theadvantages of the multiplying mechanism described are, briefly, asfollows, viz:

The sliding chain-wheel 6 controls, by its position either to the rightor to the left, both the regular feeding-motion of the chain and themultiplying-motion, and it matters not which motion is thrown in theother is by virtue of the position of the chain-wheel necessarily heldout of operation, so that there can be no possibility of both motions ormechanisms being in or out of operation simultaneously. This isdistinguished from the multiplying mechanism or motion before mentioned,wherein both the regular chain-feed motion and the multiplying-motionare independently operated through indepen dent systems of connectionsfrom separate shafts, and it is not only possible, but a frequentoccurrence, that by reason of some improper operation of a part in oneof the systems of connections both systems are thrown simultaneouslyinto or simultaneously held out of operation, causing one or moremispicks of the loom.

In our invention it is impossible for a mispick to occur from thiscause, for one or the other of the mechanisms is necessarily inoperation at all times and the other is as necessarily held out ofoperation, it being practicallyimpossible to have both mechanisms out ofor in operation simultaneously.

In Figs. 16, 17, and 18 we have illustrated the modification of themultiplier mechanism in which, instead of sliding both the chain andmultiplier ratchets to the left when it is desired to change from theregular chainfeed to the multiplier-feed, the two ratchets are split orseparated and one only is moved. For example, in Fig. 16 on the shaft 19we have mounted the chain-feed ratchet-wheel w and themultiplier-ratchet w, the latter shown as loose upon said shaft, theformer splined thereupon, the spline being shown at 20 Fig. 18. Themultiplier-ratchet 10 has upon its inner face a tapering lug 10 whichwhen in proper position relatively to the chain-ratchet enters a pocketw in the latter, locking the two together, a spring 10 pressing thechain-ratchet toward and holding it locked with the multiplier-ratchet.hen the multiplier-pawl is dropped into engagement with its ratchet, asin the multiplier mechanism, Figs. 1 to 10, inclusive, the firstrotative movement of the multiplier-ratchet will cause the beveled sidesof its lug 20 to push the chain-ratchet to the right, Fig. 16, anddisengage it from the multiplier-ratchet. This lateral or side movementof the chainratchet, Fig. 16, disengages the latter from its pawl Z1 itremaining disengaged until the multiplier-ratchet has made one completerotation, when the two are again looked, as described.

The chain-ratchet 20, Fig. 18,-at its inner face is provided with aseries of slight depressions 10 into which at each stop in its movementthe point of the lug 10 drops to hold the multiplier against retrogrademovement during the return of its actuating-pawl, the depressions 10however, being so slight as not to interfere with the movement of theratchet when the latter is pushed over by its pawl.

Referring now particularly to Figs. 1, 11, and 12, the shuttle-box f isherein shown as adapted to contain two shuttles, the same be ingsupported upon a suitable lift-rod f. jointed at its lower end to onearm f of a bell-crank lever pivoted at f upon a stud bracketed upon theend frame of the loom and having its other arm made as a compound ormultipart lever-that is, in two members f and f (See Fig. 11.) The twomembers are shown as jointed together at f one of the members, as f,having a laterally-extended bearing or housing f for the sliding pin fshouldered at f and surrounded by a spring f which presses the said pinnormally to the right with the rounded or beveled end protruding throughthe said member f into a suitable recess or depression in the othermember f thereby locking the two members of the arm together as one bythe frictional engagement of the pin with the walls of the depression.

During the operation of the loom a stress thrown upon the bell-cranklever such as would ordinarily break the same will in the constructionshown cause disengagement of the pin f and its recess in the member f ofthe lever, permitting the two members to buckle, thereby preventingbreakage, and as the shuttle-box will not at such a time be moved theloom will automatically stop.

The compound or multipart arm of the bell-crank lever referred to isshown forked to straddle a roller m upon a crank-pin m on. theface-plate on, the said crank-pin being adjustable to vary its distancefrom the axis of rotation of the base-plate by means of its threaded endextended through a slot m in a bridge in (see Fig. 11) on theface-plate, a nut m within the bridge and upon the said IIO threadedshank serving to clamp the pin in its desired position. I

The face-plate m is (see Fig. 11) made fast upon the end of the hub m ofthe toothed wheel of, 'ounaled in the bracket f on the end frame.

The toothed wheel m at its inner face adjacent the end frame of the loomis provided with a diametrical groove, which receives the sliding blockm herein shown as provided at its opposite ends with gear-teeth in thelength of said block in the present instance being such that when in acentral position the teeth at its opposite ends are in line with andform a part of the series of the teeth at the periphery of the Wheel m Atoothed surface cooperates with the teeth m as a driver therefor, thissurface consisting in the present instance of a series of teeth m uponthe periphery of the crank-disk a on the crank-shaft, (see Figs. 1 and12,) the number of teeth m being such as to give a one-half rotationonly to the wheel m Between the bracket f and the end frame of the loomis arranged a cam-plate '11 slotted at its ends, Fig. 12, at n toreceive the guidepins 12 projectinginwardly from the bracket 3 and whichpermit a limited longitudinal or sliding movement of the cam-plate.

Between the slots 72 the cam-plate n is provided with a curved or camslot (shown in dotted lines at 92 Fig. 12) which receives a pin 72 onthe face of the sliding toothed block m 'When'the cam-plate is moved orslid from its position, Fig. 12, to the left, the camslot 11" willdepress the pin 17? and thereby move the slide-block down into itsdotted position, withdrawing the tooth at its upper end from the seriesinto. position below the periphery of the wheel, and, of course,when thecam-plate is returned againto its full-line position, Fig. 12, theslide-block will be raised to restore the tooth at its upper end to itsposit-ion in the series m The cam-plate n at one end is shown asprovided with a depending arm or, slotted vertically to receive a pin iton a bell-crank lever n pivoted at 71, upon the bracket f and having itsother arm connected by a wire of with the box-motion lever e referredto, a spring 72 Fig. 12, connecting the said, bollcrank lever 47. withthe bracket, acting to normally depress the lever and throw the camplateinto its posit-ion at the left, Fig. 1., when permitted, by the droppingof the box-lever 2, due to the removal from under it of one of the pins9.

Referring to Fig. 1, o is a bell-crank lever pivoted at o to the bracketf and having one of its arms provided with a roller 0 adapted to enterone or the other of the diametricallylocated depressions o in theperiphery of the faceplate m and having its other arm acted upon by asprin goflconnected with the bracket f which holds the said rolleralways against the periphery of the said face-plate, said roller, underthe action of its spring, serving to retain the face-plate in one or theother of the positions into which it was moved.

The operation of the box-motion is as fo1- lows, viz: The cam-shaft c4rotates continuously in the direction of the arrow, Fig. 1, and,assuming that a change in the shuttle box is called for, one of the pinsc on the chain will lift the box-motion lever e and thereby, through thewire it and bell-crank lever n' shift the cam-plate into its extremeright or fnll'line position, Fig. 12, to raise the block m into positionwith the tooth at its upper end in line with and forming a part of theseries of teeth m so that when the first of the series of teeth vizonthe crank-disk a on the cam-shaft reaches the position shown in Fig. 12it will engage the tooth on the slideblock and, with the other teethfollowing it in the series, cause a rotation of the wheel in through onehundred and eighty degreesthat is, a one-half rotation of the wheel-suchhalf-rotation of the wheel (see Fig. 1) being suflicient to carry thecrank-pin m from its position, Fig. 1, into a position diametricallyopposite to thereby turn the bell-crank lever f and drop the shuttle-boxto present a new shuttle. Should a return of the shuttle in theshuttle-box back to its original position be required at the end of areturn or second pick, a second pin e on the chain will reach a positionbeneath and sustaining the boxlever 6 still in its elevated position, sothat when the series of teeth on on the crank-disk during rotation ofthe latter again meet the teeth of the wheel m the said wheel to will berotated, as before, through a one-half rotation to act through thecrank-pin m to restore the shuttle-box to its original position. Afterthe box-motion lever c has been once raised and, as described, causedthe shuttlebox to be shifted should it be desired to permit theshuttle-box to remain in its new position through a second cycle thatis, through four picks said lever Q will be permitted to drop after thepin which raised it has passed and by dropping permit the spring 12 toreturn the bell-crank lever n to its original position, shifting thecam-plate to its extreme position at the left, and, acting through thecam-slot 02 to drop the slide-block m and thereby withdraw the tooth infrom the series m and permit the teeth upon the camdisk to pass withoutcatching and rotating said wheel m The cam-plate is permitted to remainin its spring operated position through as many picks as desired, when apin 0 will lift the box-motion lever, shift the camplate, raise theslide-block m and place a tooth in the series m so that the teeth uponthe crank-disk will catch the said tooth and cause a one-half rotationof the wheel m and a change in the shuttle-box.

The teeth m and m must of course be so proportioned one to the otherthat when the slide-block isdown and its teeth withdrawn from the seriesthe said teeth on) will clear the fixed teeth m it being necessary thatone of the teeth upon the slide-block should be lifted to causeengagement of the two series of teeth and the rotation of the wheel m byand through the cam-disk.

The radial movement of the movable teeth, as m, is much preferable to anaxial movement of such teeth or equivalent devices, and by making suchmovable teeth similar to the fixed teeth on the driven gear, so as tocooperate as one series with such fixed teeth when the driven gear isrotated, a much more compact mechanism may be had and the driven gearstarted and stopped with greater certainty and with less liability towear and derangem ent than where the movable teeth are made much largerthan the fixed teeth of the driven gear or where they are made ofdistorted or irregular shapes different from the fixed teeth.

Our improvement, as herein disclosed, also presents manifest advantagesover any mechanism wherein movable teeth or equivalent devices areemployed on the driver instead of the driven gear.

In Fig. 15 we have shown a modification of our box-motion, wherein twogears corresponding to the gears m are employed (inclicated at p 7)) atopposite sides of the crankdisk a, their face-plates having crank-pinscorresponding to the pin m, Fig. 11, connected with a common lever 19jointed to one of the pins 1') and slotted at p to receive the other,the said lever at its outer end having jointed to it at p thelifting-rodf. The cam-plates 11 each provided with a suitable camsurface or slotfor example, like the cam surface or slot 71 Fig. 12forthe two wheels 19, are connected by suitable wires 19 with, in thisinstance, two box-motion levers 6, controlled by two series of pins 6parallel with each other upon the chain. By means of these twocam-plates and the sliding blocks and teeth controlled thereby we areenabled to attach our box-motion to a shuttle-box containing three orfour shuttles. The lever 19 is .so proportioned with relation to thethrow of the two crank-pins 19 that a onehalf rotation of the wheel'p,which is at the left, Fig. 15, will move the lever 19 on the othercrank-pin 1) as a fulcrum such a distance as will lift the shuttle-box adistance to change the same one pocket or shuttle. A one-half rotationof the right-hand wheel 13 with the left-hand wheel in the positionshown in Fig. 15 will shift the shuttle-box two pocks ets, or from thefirst to the third, or from the second to the fourth, while asimultaneous opposite one-half rotation of the two Wheels 19 will movethe shuttle-box four pockets. In this construction, Fig. 15, two seriesof teeth m at diametrically opposite points are provided upon thecrank-disk a.

Figs. 13 and 14 show the manner of mounting the shuttle-box and ournovel shuttleholding device. Referring to the said figures theshuttle-box w is and may be of suitable or desired construction, exceptas to its bearings, the said shuttle-box in the present i11- stancebeing provided at its opposite ends and at opposite sides, respectively,with cars 20 20 provided, respectively, with vertical holes for thereception of the cylindrical guide-pins 10 These cylindrical guide-pinsand holes are employed as distinguished from the fiat or plane-facedbearing-surfaces and guides now commonly employed, our constructionbeing superior to the flat-faced hearings in that the holes in the ear@0 may be easily and accurately drilled, which is a much simpleroperation than a planing of the fiat faces, and in addition thereto alarger bearing-surfacethat is, a surface having a greater superficialareais provided, showing less wear of parts. The guide-pins 10 are setinto holes drilled into the solid part of the frame, and hence areimmovable, and the adjustment of the box can never be out.

I. is the positioning or holding device for the shuttles, the same, asshown, being pivoted at i on a pin projecting forwardly from a bracketon the lay and having a'depending arm t and a forwardly-extended finger25 a springt holding it normally in its lowermost position. In theposition Fig. 13 the finger t rests upon the top of the shuttle-box, thedownwardly-extended arm i in such position standing in front of theshuttle s in the up per pocket of the box and preventing the same movingto the right or escaping from its pocket.

\Vhen the shuttle-box drops to present the shuttle s in position to bedriven across the face-plate, the holding device t is then automaticallyturned into its dotted-line position, Fig. 13, thereby raising the arm25 relatively to and to clear the point of the shuttle, so as not tointerfere with driving the shuttle from the box. \Vhen the shuttle-boxis again raised, the holding device is thereby turned on its pivot intoits full-line position, the arm 25 catching the point of the shuttle, ifthe latter is not quite bottomed in the pocket, and completing theshuttle movement, pushing the latter to its extreme position and holdingit in such position against possible escape or movement by thevibrations or movements of the lay. \Ve are the first, so far as we areaware, to provide a device for finally pushing the shuttle home to itsposition in the box should it failto reach or rebound from its positionwhen thrown by the picker-stick.

In the present instance of our invention we have shown the chain andmultiplier feeding devices as pawls engaging toothed wheels; but it isobvious our invention is not limited to this particular type of feedingdevice and wheel, as any well-known equivalent device may be employed.In other respects also our invention is not limited to the particularembodiment shown, for the same obviously may be varied within the spiritand scope of our invention.

We claim- 1. In a loom, a pattern-surface; a ratchet chain-feed wheeltherefor, its oooperatin reciprocating chain-feed pawl; amultiplierratchet feed-wheel and its cooperating reciprocatingmultiplier feed-pawl, and means to automatically cause a relativelateral movement of one of said ratchet feed-wheels and its feed-pawlfor engaging and disengaging the same, substantially as described.

2. In a loom, a pattern-surface; a ratchet chain-feed wheel therefor,its cooperating reciprocating chain-feed pawl; a multiplierratchetfeed-wheel and its cooperating reciprocating feed-pawl, and means toautomatically cause a lateral movement of the said pattern ratchetfeed-wheel, and to alternately throw said reciprocating feed-pawls outof operation, substantially as described.

3. In a loom, a pattern-surface; a ratchet chain-feed wheel therefor,its cooperating reciprocating feed-pawl; a m ultiplier-ratchetfeed-wheel and its cooperating reciprocating feed-pawl; a common shafton which said feed wheels are rotatably mounted, and means to move saidfeed-wheels laterally into and out of operative relation with the formerof said feed-pawls, substantially as described.

4. In a loom, a pattern-surface; a feeding device therefor and itsfeed-wheel; means for imparting a relative lateral movement to the saidfeeding device and its wheel to render the former operative orinoperative; a multiplier feeding device and its feed-wheel; and meanscontrolled by the pattern-surface to move said multiplier feeding deviceinto and out of engagement with its feed-wheel, all of said feedingdevices and said feed-wheels being controlled by said pattern-surface,substantial] y as described.

5. In a loom, a pattern-surface; a feeding device therefor and itsfeed-wheel; a multiplier feeding device and its feed-wheel; means tocause lateral movement of said feed-wheels together for rendering saidpattern-surface feeding device operative or inoperative; and meanscontrolled by said pattern-snrface for moving the said multiplierfeeding device into and out of operation, substantially as described.

6. In a loom, a pattern-surface; a chain- Wheel therefor; a common shafton which said pattern-s11 rface and said chain-wheel are mounted,locking-surfaces connecting the latter two and arranged to rotate theone by the other in one direction, and one independently of the other inan opposite direction, said chain-wheel having oppositely-facing teeththereon, and cooperating feeding devices to engage said teeth to rotatesaid chain-wheel in said opposite directions, substantially asdescribed.

7. In a loom, a pattern-surface; a feeding device therefor and amultiplier feeding device; toothed wheels for the respective feedingdevices coiiperating to move together in one direction means to impart arelative lateral movement to one of said feeding devices and itscooperating toothed wheel, and to raise and lower the other of saidfeeding devices to thereby alternately disengage and engage the saidfeeding devices and their respective toothed wheels, substantially asdescribed.

8. In a loom, a patternsurface; two oppositely-facin g series of teetharranged to rotate about a common axis; the oppositely-acting feedingdevices and means to actuate the same; a controlling-lever controlled asto its position by said pattern-surface and adapted to positively causeengagement or disengagement of one of said feeding devices and itsseries of teeth; the said feeding device being normally disengaged fromits series of teeth; and means actuated by said feeding device to effectengagement and disengagement of the other of said feeding devices andits series of teeth, substantially as described.

9. In a loom, a pattern-so rface; a shaft, the toothed wheels thereon;the cooperating pawls, a cam-surface on one of said toothed wheels, acooperating cam-surface therefor, whereby rotative movement of saidcam-wheel and its cam-surf ace relative to the other camsurface causeslateral or axial movement of said wheel relatively to its cooperatingpawl, substantially as described.

10. In a loom,a pattern-surface; oppositelyfacing toothed wheels; thefeed and multiplier pawls cooperating therewith, said wheels beingconnected to move together by the engagement of said feed-pawl with itstoothed wheel,and to have independent relative movement by theengagement of said multiplierpawl with its toothed wheel; and amultiplierlever moved by said pattern-surface, said pattern-surfacethereby determining by its position the engagement and non-engagement ofsaid multiplier-pawl and its toothed Wheel, substantially as described.

1 1. In a loom,a pattern-s11 rface; oppositelyfacing toothed wheels andthe cooperating feed and multiplier pawls a multiplierlever moved bysaid pattern-surface and determining by its position the engagement andnonengagement of said multiplier-pawl and its toothed wheel; and meansto move the said feed-pawl and toothed surfaces laterally one withrelation to the other to engage and disengage said feed-pawl and itstoothed wheel, substantially as described.

12. A multiplier attachment for looms containing the followinginstrumentalities,viz a pattern-surface; a shaft; the toothed wheelsthereon; and cooperating pawls; the coacting cam-surfaces on the saidwheels; and a spring acting in opposition to the said cam-surfaceswhereby rotative movement of one of said wheels relatively to the othercauses lateral or axial cam-actuated movement of one of said wheelsrelatively to its pawl; opposite rotative movement of the said wheelcausing spring-actuated return of the said wheel to its originalposition relative to its pawl, substantially as described.

13. In a loom, a rotating shaft; a crank; a shuttle-box; atwo-memberlever intermediate said crank and shuttle-box through whichmotion of the latter is imparted by and from the former, the said twomembers of the lever being overlapped and pivoted together adjacent theend of one of them, the latter being provided with a lateral extensionhaving a bearing at its outer end and carrying a shouldered pin therein,a spring being interposed on said pin between said bearing and theshoulder of said pin entering through its lever member into a recessprovided therefor in the other of said lever members, substantially asdescribed.

14. The combination with a moving toothed surface constituting a driver,of a driven gear having a plurality of toothless spaces, movable teethfor the respective spaces similar to the fixed teeth of the driven gear,and means to move said movable teeth, as required, into uniformalinement with the fixed teeth on said driven gear, so as to cooperateas one series therewith, and to withdraw said movable teeth from saidseries, thereby to impart desired intermitting rotation to said drivengear.

15. The combination with a moving toothed surface constituting a driver,of a driven gear having a plurality of toothless spaces, teeth radiallymovable on the driven gear for the respective spaces, said teeth beingrigidly connected, whereby radial movement of one causes a radialmovement of the other.

16. In a loom, the combination with a moving toothed surfaceconstituting a driver; a driven gear having a plurality of toothlessspaces; a shuttle-box, and operating connec tions intermediate the sameand said driven "gear; of the radially-movable block having a tooth ateach end thereof for said toothless spaces, and means for moving saidteeth into and out of position for engagement with said driver asrequired.

17. In a loom, the combination with a moving toothed surfaceconstituting a driver; a driven gear having oppositely-arrangedtoothless spaces; a shuttle-box and operating connections thereforintermediate the same and said driven gear; of the radially-movableteeth for said toothless spaces, said teeth bein g permanently spacedequal to the diameter of the gear; and means for radially moving thesaid teeth into and out of position for engagement with said driver asrequired.

18. In a loom, the combination with the moving toothed surfaceconstituting a driver, a driven gear having a plurality of toothlessspaces, a shuttle box, and operating connections intermediate the sameand said driven gear, of teeth radially movable on the said driven gearfor the respective spaces, said teeth being rigidly connected, wherebyradial movement of one causes a radial movement of the other, thereby toimpart desired intermitting rotation to said driven gear and move mentto said shuttle-box.

19. In a loom, the combination with a moving toothed surfaceconstituting a driver; a driven gear having a toothless space; theshuttle-box; its operating mechanism intermedi ate the same and saiddriven gear; a movable tooth for said toothless space; a sliding cam forshifting said movable tooth into and out of position for engagement withsaid driver and means for sliding said cam, substantially as described.

20. In a loom, the combination with a lay, of a shuttle-box, and ashuttle-positioning device operated by shifting movement of the shlittle-box on and with relation to said lay to act upon and move ashuttle in said shuttle-box, substantially as described.

2L. In a loom, the combination with a lay, and a shifting shuttle-boxmounted thereon, of apivoted shuttle-positioning device movable withsaid lay and caused to swing by engagement with the sh Little-box whenshifting, and thereby move into and out of shuttleholding position,substantially as described.

22. In a loom, the combination with a lay, and a shifting shuttle-boxmounted thereon, of a combined shuttle positioning and holding device toact upon and both move to final position and hold in such position ashuttle not in use, substantially as described.

23. In a loom, the pattern-surface the feed and multiplier wheels, pawlsfor rotating the same in opposite directions, and a common pawl-carrierfor and to move both pawls; and means relatively to move laterally theformer of said wheels and its pawl into and out of operative relation,substantially as described.

24:. In a loom, the combination with a moving toothed surfaceconstituting a driver, of a driven gear having one or more toothlessspaces, the shuttle-box and operating devices therefor intermediate thesame and said driven gear, a movable tooth for said toothless space,said tooth having a radial movement toward and from the axis of saidgear. a sliding cam controlling the position of said movable tooth, apattern-surface, and connections between the same and said sliding camfor controlling the latter by the former. substantially as described.

In testimony whereof we have signed our names to this specification inthe presence of two subscribing witnesses.

JOHN T. MEATS. EDIVARD L. SARGENT. WVitnesses:

E. W. DEAN, J. S. EATON.

